Java Code Examples for org.apache.flink.table.client.gateway.TypedResult#getType()

The following examples show how to use org.apache.flink.table.client.gateway.TypedResult#getType() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: LocalExecutorITCase.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
private List<String> retrieveTableResult(
		Executor executor,
		SessionContext session,
		String resultID) throws InterruptedException {

	final List<String> actualResults = new ArrayList<>();
	while (true) {
		Thread.sleep(50); // slow the processing down
		final TypedResult<Integer> result = executor.snapshotResult(session, resultID, 2);
		if (result.getType() == TypedResult.ResultType.PAYLOAD) {
			actualResults.clear();
			IntStream.rangeClosed(1, result.getPayload()).forEach((page) -> {
				for (Row row : executor.retrieveResultPage(resultID, page)) {
					actualResults.add(row.toString());
				}
			});
		} else if (result.getType() == TypedResult.ResultType.EOS) {
			break;
		}
	}

	return actualResults;
}
Example 2
Source File: LocalExecutorITCase.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
private List<String> retrieveChangelogResult(
		Executor executor,
		SessionContext session,
		String resultID) throws InterruptedException {

	final List<String> actualResults = new ArrayList<>();
	while (true) {
		Thread.sleep(50); // slow the processing down
		final TypedResult<List<Tuple2<Boolean, Row>>> result =
				executor.retrieveResultChanges(session, resultID);
		if (result.getType() == TypedResult.ResultType.PAYLOAD) {
			for (Tuple2<Boolean, Row> change : result.getPayload()) {
				actualResults.add(change.toString());
			}
		} else if (result.getType() == TypedResult.ResultType.EOS) {
			break;
		}
	}
	return actualResults;
}
Example 3
Source File: LocalExecutorITCase.java    From flink with Apache License 2.0 6 votes vote down vote up 
private List<String> retrieveTableResult(
		Executor executor,
		SessionContext session,
		String resultID) throws InterruptedException {

	final List<String> actualResults = new ArrayList<>();
	while (true) {
		Thread.sleep(50); // slow the processing down
		final TypedResult<Integer> result = executor.snapshotResult(session, resultID, 2);
		if (result.getType() == TypedResult.ResultType.PAYLOAD) {
			actualResults.clear();
			IntStream.rangeClosed(1, result.getPayload()).forEach((page) -> {
				for (Row row : executor.retrieveResultPage(resultID, page)) {
					actualResults.add(row.toString());
				}
			});
		} else if (result.getType() == TypedResult.ResultType.EOS) {
			break;
		}
	}

	return actualResults;
}
Example 4
Source File: LocalExecutorITCase.java    From flink with Apache License 2.0 6 votes vote down vote up 
private List<String> retrieveChangelogResult(
		Executor executor,
		SessionContext session,
		String resultID) throws InterruptedException {

	final List<String> actualResults = new ArrayList<>();
	while (true) {
		Thread.sleep(50); // slow the processing down
		final TypedResult<List<Tuple2<Boolean, Row>>> result =
				executor.retrieveResultChanges(session, resultID);
		if (result.getType() == TypedResult.ResultType.PAYLOAD) {
			for (Tuple2<Boolean, Row> change : result.getPayload()) {
				actualResults.add(change.toString());
			}
		} else if (result.getType() == TypedResult.ResultType.EOS) {
			break;
		}
	}
	return actualResults;
}
Example 5
Source File: LocalExecutorITCase.java    From flink with Apache License 2.0 6 votes vote down vote up 
private List<String> retrieveTableResult(
		Executor executor,
		String sessionId,
		String resultID) throws InterruptedException {

	final List<String> actualResults = new ArrayList<>();
	while (true) {
		Thread.sleep(50); // slow the processing down
		final TypedResult<Integer> result = executor.snapshotResult(sessionId, resultID, 2);
		if (result.getType() == TypedResult.ResultType.PAYLOAD) {
			actualResults.clear();
			IntStream.rangeClosed(1, result.getPayload()).forEach((page) -> {
				for (Row row : executor.retrieveResultPage(resultID, page)) {
					actualResults.add(row.toString());
				}
			});
		} else if (result.getType() == TypedResult.ResultType.EOS) {
			break;
		}
	}

	return actualResults;
}
Example 6
Source File: LocalExecutorITCase.java    From flink with Apache License 2.0 6 votes vote down vote up 
private List<String> retrieveChangelogResult(
		Executor executor,
		String sessionId,
		String resultID) throws InterruptedException {

	final List<String> actualResults = new ArrayList<>();
	while (true) {
		Thread.sleep(50); // slow the processing down
		final TypedResult<List<Tuple2<Boolean, Row>>> result =
			executor.retrieveResultChanges(sessionId, resultID);
		if (result.getType() == TypedResult.ResultType.PAYLOAD) {
			for (Tuple2<Boolean, Row> change : result.getPayload()) {
				actualResults.add(change.toString());
			}
		} else if (result.getType() == TypedResult.ResultType.EOS) {
			break;
		}
	}
	return actualResults;
}
Example 7
Source File: CliTableResultView.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Override
protected void refresh() {
	// take snapshot
	TypedResult<Integer> result;
	try {
		result = client.getExecutor().snapshotResult(client.getContext(), resultDescriptor.getResultId(), getVisibleMainHeight());
	} catch (SqlExecutionException e) {
		close(e);
		return;
	}

	// stop retrieval if job is done
	if (result.getType() == TypedResult.ResultType.EOS) {
		stopRetrieval(false);
	}
	// update page
	else if (result.getType() == TypedResult.ResultType.PAYLOAD) {
		int newPageCount = result.getPayload();
		pageCount = newPageCount;
		if (page > newPageCount) {
			page = LAST_PAGE;
		}
		updatePage();
	}

	lastRetrieval = LocalTime.now();

	// reset view
	resetAllParts();
}
Example 8
Source File: CliTableResultView.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
protected void refresh() {
	// take snapshot
	TypedResult<Integer> result;
	try {
		result = client.getExecutor().snapshotResult(client.getContext(), resultDescriptor.getResultId(), getVisibleMainHeight());
	} catch (SqlExecutionException e) {
		close(e);
		return;
	}

	// stop retrieval if job is done
	if (result.getType() == TypedResult.ResultType.EOS) {
		stopRetrieval(false);
	}
	// update page
	else if (result.getType() == TypedResult.ResultType.PAYLOAD) {
		int newPageCount = result.getPayload();
		pageCount = newPageCount;
		if (page > newPageCount) {
			page = LAST_PAGE;
		}
		updatePage();
	}

	lastRetrieval = LocalTime.now();

	// reset view
	resetAllParts();
}
Example 9
Source File: CliTableauResultView.java    From flink with Apache License 2.0 5 votes vote down vote up 
private List<Row> waitBatchResults() {
	List<Row> resultRows;
	// take snapshot and make all results in one page
	do {
		try {
			Thread.sleep(50);
		} catch (InterruptedException e) {
			Thread.currentThread().interrupt();
		}
		TypedResult<Integer> result = sqlExecutor.snapshotResult(
				sessionId,
				resultDescriptor.getResultId(),
				Integer.MAX_VALUE);

		if (result.getType() == TypedResult.ResultType.EOS) {
			resultRows = Collections.emptyList();
			break;
		} else if (result.getType() == TypedResult.ResultType.PAYLOAD) {
			resultRows = sqlExecutor.retrieveResultPage(resultDescriptor.getResultId(), 1);
			break;
		} else {
			// result not retrieved yet
		}
	} while (true);

	return resultRows;
}
Example 10
Source File: CliTableResultView.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
protected void refresh() {
	// take snapshot
	TypedResult<Integer> result;
	try {
		result = client.getExecutor().snapshotResult(client.getSessionId(), resultDescriptor.getResultId(), getVisibleMainHeight());
	} catch (SqlExecutionException e) {
		close(e);
		return;
	}

	// stop retrieval if job is done
	if (result.getType() == TypedResult.ResultType.EOS) {
		stopRetrieval(false);
	}
	// update page
	else if (result.getType() == TypedResult.ResultType.PAYLOAD) {
		int newPageCount = result.getPayload();
		pageCount = newPageCount;
		if (page > newPageCount) {
			page = LAST_PAGE;
		}
		updatePage();
	}

	lastRetrieval = LocalTime.now();

	// reset view
	resetAllParts();
}
Example 11
Source File: CliChangelogResultView.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
@Override
protected void refresh() {
	// retrieve change record
	final TypedResult<List<Tuple2<Boolean, Row>>> result;
	try {
		result = client.getExecutor().retrieveResultChanges(client.getContext(), resultDescriptor.getResultId());
	} catch (SqlExecutionException e) {
		close(e);
		return;
	}

	// do nothing if result is empty
	switch (result.getType()) {
		case EMPTY:
			// do nothing
			break;
		// stop retrieval if job is done
		case EOS:
			stopRetrieval(false);
			break;
		default:
			List<Tuple2<Boolean, Row>> changes = result.getPayload();

			for (Tuple2<Boolean, Row> change : changes) {
				// convert row
				final String[] changeRow = new String[change.f1.getArity() + 1];
				final String[] row = rowToString(change.f1);
				System.arraycopy(row, 0, changeRow, 1, row.length);
				if (change.f0) {
					changeRow[0] = "+";
				} else {
					changeRow[0] = "-";
				}

				// update results

				// formatting and printing of rows is expensive in the current implementation,
				// therefore we limit the maximum number of lines shown in changelog mode to
				// keep the CLI responsive
				if (results.size() >= DEFAULT_MAX_ROW_COUNT) {
					results.remove(0);
				}
				results.add(changeRow);

				scrolling++;
			}
			break;
	}

	// reset view
	resetAllParts();

	lastRetrieval = LocalTime.now();
}
Example 12
Source File: CliChangelogResultView.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
protected void refresh() {
	// retrieve change record
	final TypedResult<List<Tuple2<Boolean, Row>>> result;
	try {
		result = client.getExecutor().retrieveResultChanges(client.getContext(), resultDescriptor.getResultId());
	} catch (SqlExecutionException e) {
		close(e);
		return;
	}

	// do nothing if result is empty
	switch (result.getType()) {
		case EMPTY:
			// do nothing
			break;
		// stop retrieval if job is done
		case EOS:
			stopRetrieval(false);
			break;
		default:
			List<Tuple2<Boolean, Row>> changes = result.getPayload();

			for (Tuple2<Boolean, Row> change : changes) {
				// convert row
				final String[] changeRow = new String[change.f1.getArity() + 1];
				final String[] row = rowToString(change.f1);
				System.arraycopy(row, 0, changeRow, 1, row.length);
				if (change.f0) {
					changeRow[0] = "+";
				} else {
					changeRow[0] = "-";
				}

				// update results

				// formatting and printing of rows is expensive in the current implementation,
				// therefore we limit the maximum number of lines shown in changelog mode to
				// keep the CLI responsive
				if (results.size() >= DEFAULT_MAX_ROW_COUNT) {
					results.remove(0);
				}
				results.add(changeRow);

				scrolling++;
			}
			break;
	}

	// reset view
	resetAllParts();

	lastRetrieval = LocalTime.now();
}
Example 13
Source File: CliChangelogResultView.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
protected void refresh() {
	// retrieve change record
	final TypedResult<List<Tuple2<Boolean, Row>>> result;
	try {
		result = client.getExecutor().retrieveResultChanges(client.getSessionId(), resultDescriptor.getResultId());
	} catch (SqlExecutionException e) {
		close(e);
		return;
	}

	// do nothing if result is empty
	switch (result.getType()) {
		case EMPTY:
			// do nothing
			break;
		// stop retrieval if job is done
		case EOS:
			stopRetrieval(false);
			break;
		default:
			List<Tuple2<Boolean, Row>> changes = result.getPayload();

			for (Tuple2<Boolean, Row> change : changes) {
				// convert row
				final String[] changeRow = new String[change.f1.getArity() + 1];
				final String[] row = PrintUtils.rowToString(change.f1);
				System.arraycopy(row, 0, changeRow, 1, row.length);
				if (change.f0) {
					changeRow[0] = "+";
				} else {
					changeRow[0] = "-";
				}

				// update results

				// formatting and printing of rows is expensive in the current implementation,
				// therefore we limit the maximum number of lines shown in changelog mode to
				// keep the CLI responsive
				if (results.size() >= DEFAULT_MAX_ROW_COUNT) {
					results.remove(0);
				}
				results.add(changeRow);

				scrolling++;
			}
			break;
	}

	// reset view
	resetAllParts();

	lastRetrieval = LocalTime.now();
}
Example 14
Source File: CliTableauResultView.java    From flink with Apache License 2.0 4 votes vote down vote up 
private void printStreamResults(AtomicInteger receivedRowCount) {
	List<TableColumn> columns = resultDescriptor.getResultSchema().getTableColumns();
	String[] fieldNames =
			Stream.concat(
					Stream.of(CHANGEFLAG_COLUMN_NAME),
					columns.stream().map(TableColumn::getName)
			).toArray(String[]::new);

	int[] colWidths = PrintUtils.columnWidthsByType(
			columns, DEFAULT_COLUMN_WIDTH, CliStrings.NULL_COLUMN, CHANGEFLAG_COLUMN_NAME);
	String borderline = PrintUtils.genBorderLine(colWidths);

	// print filed names
	terminal.writer().println(borderline);
	PrintUtils.printSingleRow(colWidths, fieldNames, terminal.writer());
	terminal.writer().println(borderline);
	terminal.flush();

	while (true) {
		final TypedResult<List<Tuple2<Boolean, Row>>> result =
				sqlExecutor.retrieveResultChanges(sessionId, resultDescriptor.getResultId());

		switch (result.getType()) {
			case EMPTY:
				// do nothing
				break;
			case EOS:
				if (receivedRowCount.get() > 0) {
					terminal.writer().println(borderline);
				}
				terminal.writer().println("Received a total of " + receivedRowCount.get() + " rows");
				terminal.flush();
				return;
			case PAYLOAD:
				List<Tuple2<Boolean, Row>> changes = result.getPayload();
				for (Tuple2<Boolean, Row> change : changes) {
					final String[] cols = PrintUtils.rowToString(change.f1);
					String[] row = new String[cols.length + 1];
					row[0] = change.f0 ? "+" : "-";
					System.arraycopy(cols, 0, row, 1, cols.length);
					PrintUtils.printSingleRow(colWidths, row, terminal.writer());
					receivedRowCount.incrementAndGet();
				}
				break;
			default:
				throw new SqlExecutionException("Unknown result type: " + result.getType());
		}
	}
}